1. taking digoxin, alfacalcidol, calcitriol, dihydrotachysterol or paricalcitol 2. known diagnosis of sarcoidosis, primary hyperparathyroidism, renal stones or renal failure requiring dialysis 3. known allergy to any ingredient in the study capsules (vitamin d, olive oil, caramel, gelatine or glycerol) 4. pregnancy

1. taking digoxin, alfacalcidol, calcitriol, dihydrotachysterol or paricalcitol 2. known diagnosis of sarcoidosis, primary hyperparathyroidism, renal stones or renal failure requiring dialysis 3. known allergy to any ingredient in the study capsules (vitamin d, olive oil, caramel, gelatine or glycerol) 4. pregnancy

taking digoxin, alfacalcidol, calcitriol, dihydrotachysterol or paricalcitol known diagnosis of sarcoidosis, primary hyperparathyroidism, renal stones or renal failure requiring dialysis known allergy to any ingredient in the study capsules (vitamin d, olive oil, caramel, gelatine or glycerol) pregnancy

taking digoxin, alfacalcidol, calcitriol, dihydrotachysterol or paricalcitol known diagnosis of sarcoidosis, primary hyperparathyroidism, renal stones or renal failure requiring dialysis known allergy to any ingredient in the study capsules (vitamin d, olive oil, caramel, gelatine or glycerol) pregnancy

1. taking digoxin, alfacalcidol, calcitriol, dihydrotachysterol or paricalcitol 2. known diagnosis of sarcoidosis, primary hyperparathyroidism, renal stones or renal failure requiring dialysis 3. known allergy to any ingredient in the study capsules (vitamin d, olive oil, caramel, gelatine or glycerol) 4. pregnancy

1. taking digoxin, alfacalcidol, calcitriol, dihydrotachysterol or paricalcitol 2. known diagnosis of sarcoidosis, primary hyperparathyroidism, renal stones or renal failure requiring dialysis 3. known allergy to any ingredient in the study capsules (vitamin d, olive oil, caramel, gelatine or glycerol) 4. pregnancy

1. taking digoxin, an oral vitamin d analogue or a prescription-only formulation of vitamin d 2. known diagnosis of sarcoidosis, primary hyperparathyroidism, renal stones or renal failure requiring dialysis 3. known allergy to any ingredient in the study capsules (vitamin d, olive oil, gelatine or glycerol) 4. pregnant, breastfeeding or planning pregnancy

1. taking digoxin, an oral vitamin d analogue or a prescription-only formulation of vitamin d 2. known diagnosis of sarcoidosis, primary hyperparathyroidism, renal stones or renal failure requiring dialysis 3. known allergy to any ingredient in the study capsules (vitamin d, olive oil, gelatine or glycerol) 4. pregnant, breastfeeding or planning pregnancy